CN1666256A - 正弦波音频编码 - Google Patents
正弦波音频编码 Download PDFInfo
- Publication number
- CN1666256A CN1666256A CN038161702A CN03816170A CN1666256A CN 1666256 A CN1666256 A CN 1666256A CN 038161702 A CN038161702 A CN 038161702A CN 03816170 A CN03816170 A CN 03816170A CN 1666256 A CN1666256 A CN 1666256A
- Authority
- CN
- China
- Prior art keywords
- track
- sine waves
- component
- component sine
- phase
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005236 sound signal Effects 0.000 claims abstract description 17
- 230000011218 segmentation Effects 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 16
- 238000005070 sampling Methods 0.000 claims description 5
- 230000001052 transient effect Effects 0.000 description 23
- 230000007704 transition Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 244000287680 Garcinia dulcis Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/093—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using sinusoidal excitation models
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02077727 | 2002-07-08 | ||
EP02077727.2 | 2002-07-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1666256A true CN1666256A (zh) | 2005-09-07 |
Family
ID=30011169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN038161702A Pending CN1666256A (zh) | 2002-07-08 | 2003-06-18 | 正弦波音频编码 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20050259822A1 (fr) |
EP (1) | EP1522063B1 (fr) |
JP (1) | JP2005532585A (fr) |
CN (1) | CN1666256A (fr) |
AT (1) | ATE356404T1 (fr) |
AU (1) | AU2003237010A1 (fr) |
DE (1) | DE60312336D1 (fr) |
WO (1) | WO2004006225A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104882145A (zh) * | 2014-02-28 | 2015-09-02 | 杜比实验室特许公司 | 使用音频对象的时间变化的音频对象聚类 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100790110B1 (ko) * | 2006-03-18 | 2008-01-02 | 삼성전자주식회사 | 모폴로지 기반의 음성 신호 코덱 방법 및 장치 |
KR101080421B1 (ko) * | 2007-03-16 | 2011-11-04 | 삼성전자주식회사 | 정현파 오디오 코딩 방법 및 장치 |
KR101425355B1 (ko) * | 2007-09-05 | 2014-08-06 | 삼성전자주식회사 | 파라메트릭 오디오 부호화 및 복호화 장치와 그 방법 |
KR101441898B1 (ko) * | 2008-02-01 | 2014-09-23 | 삼성전자주식회사 | 주파수 부호화 방법 및 장치와 주파수 복호화 방법 및 장치 |
US9904508B1 (en) * | 2016-09-27 | 2018-02-27 | Bose Corporation | Method for changing type of streamed content for an audio system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5664051A (en) * | 1990-09-24 | 1997-09-02 | Digital Voice Systems, Inc. | Method and apparatus for phase synthesis for speech processing |
JP3362471B2 (ja) * | 1993-07-27 | 2003-01-07 | ソニー株式会社 | 音声信号の符号化方法及び復号化方法 |
US5701390A (en) * | 1995-02-22 | 1997-12-23 | Digital Voice Systems, Inc. | Synthesis of MBE-based coded speech using regenerated phase information |
AU3702497A (en) * | 1996-07-30 | 1998-02-20 | British Telecommunications Public Limited Company | Speech coding |
KR20010072778A (ko) * | 1999-06-18 | 2001-07-31 | 요트.게.아. 롤페즈 | 개선된 인코더를 갖는 오디오 전송 시스템 |
WO2001041124A2 (fr) * | 1999-12-01 | 2001-06-07 | Koninklijke Philips Electronics N.V. | Procede et systeme de codage/decodage de signaux sonores |
-
2003
- 2003-06-18 AT AT03735915T patent/ATE356404T1/de not_active IP Right Cessation
- 2003-06-18 DE DE60312336T patent/DE60312336D1/de not_active Expired - Lifetime
- 2003-06-18 CN CN038161702A patent/CN1666256A/zh active Pending
- 2003-06-18 WO PCT/IB2003/002746 patent/WO2004006225A1/fr active IP Right Grant
- 2003-06-18 AU AU2003237010A patent/AU2003237010A1/en not_active Abandoned
- 2003-06-18 US US10/520,196 patent/US20050259822A1/en not_active Abandoned
- 2003-06-18 EP EP03735915A patent/EP1522063B1/fr not_active Expired - Lifetime
- 2003-06-18 JP JP2004519077A patent/JP2005532585A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104882145A (zh) * | 2014-02-28 | 2015-09-02 | 杜比实验室特许公司 | 使用音频对象的时间变化的音频对象聚类 |
CN104882145B (zh) * | 2014-02-28 | 2019-10-29 | 杜比实验室特许公司 | 使用音频对象的时间变化的音频对象聚类 |
Also Published As
Publication number | Publication date |
---|---|
JP2005532585A (ja) | 2005-10-27 |
EP1522063B1 (fr) | 2007-03-07 |
WO2004006225A1 (fr) | 2004-01-15 |
US20050259822A1 (en) | 2005-11-24 |
AU2003237010A1 (en) | 2004-01-23 |
DE60312336D1 (de) | 2007-04-19 |
EP1522063A1 (fr) | 2005-04-13 |
ATE356404T1 (de) | 2007-03-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR102209837B1 (ko) | Mdct기반의 코더와 이종의 코더 간 변환에서의 인코딩 장치 및 디코딩 장치 | |
US20030083886A1 (en) | Audio coding | |
CN101432610A (zh) | 使用有损编码的数据流和无损扩展数据流对源信号进行无损编码的方法以及设备 | |
CN101136203A (zh) | 信号处理设备、方法、记录介质和程序 | |
JP3680374B2 (ja) | 音声合成方法 | |
JP4359499B2 (ja) | オーディオ信号の編集 | |
US7197454B2 (en) | Audio coding | |
CN1717719A (zh) | 音频编码 | |
JP2003108197A (ja) | オーディオ信号復号化装置およびオーディオ信号符号化装置 | |
CN1666256A (zh) | 正弦波音频编码 | |
US20060009967A1 (en) | Sinusoidal audio coding with phase updates | |
KR100300887B1 (ko) | 디지털 오디오 데이터의 역방향 디코딩 방법 | |
KR20080072223A (ko) | 파라메트릭 부/복호화 방법 및 이를 위한 장치 | |
US20090024396A1 (en) | Audio signal encoding method and apparatus | |
JPH05232996A (ja) | 音声符号化装置 | |
KR20080092823A (ko) | 부호화/복호화 장치 및 방법 | |
US20090063161A1 (en) | Method and apparatus for encoding and decoding continuation sinusoidal signal of audio signal | |
KR20050017088A (ko) | 사인 곡선 오디오 부호화 | |
KR960027868A (ko) | 엠펙(mpeg) 오디오의 비트율 변환방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
AD01 | Patent right deemed abandoned | ||
C20 | Patent right or utility model deemed to be abandoned or is abandoned |